UNIVERSITAS AIRLANGGA



Detail Article

Majalah Ilmu Faal Indonesia

ISSN 0215-1995

Vol. 8 / No. 2 / Published : 2009-02

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Original Article :

Photosynthesis and ascorbic acid of rice, green mustard, echinochloa, and amaranthus subjected to drought stress

Author :

  1. Hamim*1
  2. Muhammad Arifai*2
  3. Triadiati*3
  1. Departemen Biologi, FMIPA, Institut Pertanian Bogor
  2. Departemen Biologi, FMIPA, Institut Pertanian Bogor
  3. Departemen Biologi, FMIPA, Institut Pertanian Bogor

Abstract :

Response of photosynthesis and ascorbic acid content of C3  (upland rice and mustard green) and C4 plant (Echinochloa crussgalli.L and Amaranth) was observed in response to drought. Plants were grown in 6 kg pot containing soil and sand (1:1, v/v) under green house conditions. Drought stress was provided by withholding water for 12 days for cultivated upland rice, mustard green and Amaranth, and 14 days for E.crussgalli. Observation was carried out during drought period by measuring soil water content (SWC), relative water content (RWC), plant growth, ascorbic acid content (ASA), and photosynthetic chlorophyll fluorescence parameters including the maximum efficiency of photosynthesis (Fv/Fm), photochemical quenching (qP), non-photochemical quenching (qN), quantum Yield (qY),. The results showed that drought stress caused decrease of SWC by average of 17.42% and RWC of 60%.  Drought stress decreased plant dry weight by 48.85% and seed production by average of 43.80%. The longer drought  decreased significantly  Fv/Fm, qP, and qY, while it increased  qN. The Fv/Fm of  C4 (E.crussgalli.L and spinach) was higher  than that of C3 plants (upland rice and mustard green) on 12 days after drought stressed. ASA content generally increased after 4 days and the it was maximum at the last period of drought except in spinach even though it reduced  after rewatering.

Keyword :

Drought , Chlorophyll fluorescence of photosynthesis, C3 and C4 plant,


References :

Sutrian Y,(1992) Pengantar anatomi tumbuh-tumbuhan. Rineka Cipta Jakarta : Rineka Cipta





Archive Article

Cover Media Content

Volume : 8 / No. : 2 / Pub. : 2009-02
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  5. Penilaian Perlindungan Kesehatan Dan Keselamatan Kerja Pada Kerja Kehutanan Melalui Pendekatan Kompetensi
  6. Pengaruh Fermentasi Dan Non-fermentasi Ekstrak Daun Sauropus Androgynus (l.) Merr. Pada Hematopoiesis Pada Tikus Postnatal
  7. Effect Of Lavender Essential Oil Aromatherapy On Recovery Time Of Blood Pressure And Pulse Rate After Rhyming Test Among Padjadjaran University Medical Students
  8. The Effect Of Extra Fooding And Fe Tablet In Hb Serum Level Female Atletes With Anemia In Koni Kota Semarang
  9. Photosynthesis And Ascorbic Acid Of Rice, Green Mustard, Echinochloa, And Amaranthus Subjected To Drought Stress

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